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[master] comment nzf files

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3649.	[cleanup]	Include a comment in .nzf files, giving the name of
			the associated view. [RT #34765]
This commit is contained in:
Evan Hunt
2013-09-19 15:37:09 -07:00
parent 88a6dc33b7
commit c7965f84c2
3 changed files with 76 additions and 7 deletions
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3
CHANGES
View File

@@ -1,3 +1,6 @@
3649. [cleanup] Include a comment in .nzf files, giving the name of
the associated view. [RT #34765]
3648. [test] Updated the ATF test framework to version 0.17.
[RT #25627]

55
bin/named/server.c
View File

@@ -391,6 +391,9 @@ end_reserved_dispatches(ns_server_t *server, isc_boolean_t all);
static void
newzone_cfgctx_destroy(void **cfgp);
isc_result_t
add_comment(FILE *fp, const char *viewname);
/*%
* Configure a single view ACL at '*aclp'. Get its configuration from
* 'vconfig' (for per-view configuration) and maybe from 'config'
@@ -8486,6 +8489,23 @@ ns_smf_add_message(isc_buffer_t *text) {
}
#endif /* HAVE_LIBSCF */
/*
* Emit a comment at the top of the nzf file containing the viewname
* Expects the fp to already be open for writing
*/
#define HEADER1 "# New zone file for view: "
#define HEADER2 "\n# This file contains configuration for zones added by\n" \
"# the 'rndc addzone' command. DO NOT EDIT BY HAND.\n"
isc_result_t
add_comment(FILE *fp, const char *viewname) {
isc_result_t result;
CHECK(isc_stdio_write(HEADER1, sizeof(HEADER1) - 1, 1, fp, NULL));
CHECK(isc_stdio_write(viewname, strlen(viewname), 1, fp, NULL));
CHECK(isc_stdio_write(HEADER2, sizeof(HEADER2) - 1, 1, fp, NULL));
cleanup:
return (result);
}
/*
* Act on an "addzone" command from the command channel.
*/
@@ -8514,6 +8534,7 @@ ns_server_add_zone(ns_server_t *server, char *args) {
FILE *fp = NULL;
struct cfg_context *cfg = NULL;
char namebuf[DNS_NAME_FORMATSIZE];
off_t offset;
/* Try to parse the argument string */
arglen = strlen(args);
@@ -8587,6 +8608,9 @@ ns_server_add_zone(ns_server_t *server, char *args) {
/* Open save file for write configuration */
CHECK(isc_stdio_open(view->new_zone_file, "a", &fp));
CHECK(isc_stdio_tell(fp, &offset));
if (offset == 0)
CHECK(add_comment(fp, view->name));
/* Mark view unfrozen so that zone can be added */
result = isc_task_beginexclusive(server->task);
@@ -8720,6 +8744,7 @@ ns_server_del_zone(ns_server_t *server, char *args, isc_buffer_t *text) {
FILE *ifp = NULL, *ofp = NULL;
isc_boolean_t exclusive = ISC_FALSE;
isc_boolean_t cleanup = ISC_FALSE;
isc_boolean_t inheader = ISC_TRUE;
const char *file, *arg;
/* Parse parameters */
@@ -8777,28 +8802,44 @@ ns_server_del_zone(ns_server_t *server, char *args, isc_buffer_t *text) {
goto cleanup;
}
CHECK(isc_stdio_open(tmpname, "w", &ofp));
CHECK(add_comment(ofp, view->name));
/* Look for the entry for that zone */
while (fgets(buf, 1024, ifp)) {
/* A 'zone' line */
if (strncasecmp(buf, "zone", 4)) {
/* Skip initial comment, if any */
if (inheader && *buf == '#')
continue;
if (*buf != '#')
inheader = ISC_FALSE;
/*
* Any other lines not starting with zone, copy
* them out and continue.
*/
if (strncasecmp(buf, "zone", 4) != 0) {
fputs(buf, ofp);
continue;
}
p = buf+4;
/* Locate a name */
/* This is a zone; find its name. */
while (*p &&
((*p == '"') || isspace((unsigned char)*p)))
p++;
/* Is that the zone we're looking for */
if (strncasecmp(p, zonename, znamelen)) {
/*
* If it's not the zone we're looking for, copy
* it out and continue
*/
if (strncasecmp(p, zonename, znamelen) != 0) {
fputs(buf, ofp);
continue;
}
/* And nothing else? */
/*
* But if it is the zone we want, skip over it
* so it will be omitted from the new file
*/
p += znamelen;
if (isspace((unsigned char)*p) ||
*p == '"' || *p == '{') {
@@ -8807,7 +8848,7 @@ ns_server_del_zone(ns_server_t *server, char *args, isc_buffer_t *text) {
break;
}
/* Spit it out, keep looking */
/* Copy the rest of the buffer out and continue */
fputs(buf, ofp);
}

25
bin/tests/system/addzone/tests.sh
View File

@@ -84,6 +84,14 @@ n=`expr $n + 1`
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:verifying no comments in nzf file ($n)"
ret=0
hcount=`grep "^# New zone file for view: _default" ns2/3bf305731dd26307.nzf | wc -l`
[ $hcount -eq 0 ] || ret=1
n=`expr $n + 1`
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:deleting previously added zone ($n)"
ret=0
$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p 9953 delzone previous.example 2>&1 | sed 's/^/I:ns2 /'
@@ -94,6 +102,14 @@ n=`expr $n + 1`
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking nzf file now has comment ($n)"
ret=0
hcount=`grep "^# New zone file for view: _default" ns2/3bf305731dd26307.nzf | wc -l`
[ $hcount -eq 1 ] || ret=1
n=`expr $n + 1`
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:deleting newly added zone ($n)"
ret=0
$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p 9953 delzone added.example 2>&1 | sed 's/^/I:ns2 /'
@@ -243,6 +259,15 @@ n=`expr $n + 1`
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:checking new nzf file has comment ($n)"
ret=0
hcount=`grep "^# New zone file for view: external" ns2/3c4623849a49a539.nzf | wc -l`
[ $hcount -eq 1 ] || ret=1
n=`expr $n + 1`
if [ $ret != 0 ]; then echo "I:failed"; fi
status=`expr $status + $ret`
echo "I:deleting newly added zone ($n)"
ret=0
$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p 9953 delzone 'added.example in external' 2>&1 | sed 's/^/I:ns2 /'